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revision 1.451 by jmc, Fri Feb 11 20:41:30 2005 UTC revision 1.583 by jmc, Sun Dec 4 22:14:06 2005 UTC
# Line 1  Line 1 
1  $Header$  $Header$
2    $Name$
3    
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    checkpoint57x_post
8    o fix testreport Pb in multiple test experiment.
9    o cleanup our namelist syntax in verification:
10      - make it more F95 standards compliant (some work still needed)
11      - allows the vast majority of our tests to work with gfortran
12    o Non-Hydrostatic:
13     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
14     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
15    o Allow to apply AB on T,S rather than on AB(gT,gS):
16     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
17     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
18       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
19     - need a "clever" read_pickup to restart from the other AB formulation
20    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
21    o remove some unused variables (reduces number of compiler warnings)
22    o adjoint
23      * Disable useVariableViscosity for adjoint for time being
24        (there are a number of extensive recomputations)
25      * Initialize certain variables needed for adjoint
26    
27    checkpoint57w_post
28    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
29                 fix the singleCpuIO RS version of MDSWRITEFIELD
30       and add a WARNING if using globalFiles=T with multi-processors.
31    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
32      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
33    o tracer advection scheme:
34      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
35       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
36       was not very convenient).
37      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
38       (further tests needed for the implicit DST & Flux-Limiter schemes).
39    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
40      and sRef for convenience, handy, when you want to initialize
41      ptracers in a large domain with a constant non-zero value. Also,
42      untangle ptracers_init.F a little.
43    
44    checkpoint57v_post
45    o change dome exp. to use variable viscosity in side-drag terms.
46    o remove all the files from the cfc_offline test since they are now
47      incorporated into tutorial_cfc_offline which has been producing
48      identical results for a few days of testing
49    o add new parameter: sideDragFactor to enable half-slip-side BC
50      and change side-drag S/R to use viscosity from mom_calc_visc
51      (can switch back by setting sideDragFactor=0.); affects results at
52      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
53       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
54    o vorticity & strain are now computed without masking, to account for
55      no-slip-side BC in variable viscosity calculation ; mask is applied
56      anyway later on, before computing advection/coriolis terms.
57    o modify exp4 to test new obcs support for reading from external files
58      and for passive tracers
59    o fix behavior of ptracers_monitor when monitor output is written to a
60      netcdf-file; still not independent of monitor.F (writes in the same
61      file).
62    o change default value of tRef (put a uniform, meaningful value for ocean
63      & atmos) and initialize sRef (was missing, as Martin mentioned).
64    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
65      to be proportional to enstrophy dissipation length.  Thus,
66       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
67      This is now consistent with Smagorinsky and with the manual.
68    
69    checkpoint57u_post
70    o OBCS and PTRACERS: add open boundary support for passive tracers
71      - either use homogenous (pseudo) v.Neumann conditions or prescribe
72        OB-values from file; this is not different from the way theta and salinity
73        are treated
74      - however, Orlanski-radiation conditions are not supported, and the model
75        will stop if you use pTracers and Orlanski at the same time.
76      - beefed up the rountine obcs_external_fields_load: now only those open
77        boundary values are overwritten with values from files for which there
78        are really files, otherwise the OB-fields remain untouched. This makes
79        it possible to use different OBs at different ends of the domain (as
80        with EXF)
81    o reduce number of exch calls in shap_filt (s2).
82    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
83      truncation level) 4/5 MLAdjust test results (11&12 digits match).
84    
85    checkpoint57t_post
86    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
87    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
88      same truncation, independent of the face number: affects affects several
89      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
90    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
91      note that biharmonic viscosity + no-slip was not tested in any experiment.
92    o fix bug in non-linear free-surf side-drag ; generate new output for
93      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
94    o make mnc honor the writeBinaryPrec flag for most kinds of output
95    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
96    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
97      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
98    o add brackets in multi-terms sum to get same truncation, independent of
99      the face number (manage to get exactly same value of gU,gV at the cs-edge)
100      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
101    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
102      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
103      a maximum grid-scale Reynolds number.  Also, changes all length calculations
104      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
105      Suggested values of viscosity parameters found in mom_calc_visc.
106      Many new viscosity diagnostics available.
107    
108    checkpoint57s_post
109    o Add clearing-house for viscosity calculations, mom_calc_visc and
110      correct numerous bugs in LeithD and Smagorinsky discretizations.  
111      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
112      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
113      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
114      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
115      The Strain-Tension form is now called with useStrainTensonVisc=.true.
116      ViscAhStrain and viscAhTension are now retired.
117    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
118    o In response to JMC's bug report, genmake2 now ignores any soft-links
119      that it finds in the *current* directory when searching for files.
120      Soft-links found in any other source directories will still work as
121      they did before.
122    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
123      a C routine to unlimit the stack size
124    o mnc-ify pkg/aim snapshot vars
125    o mnc-ify pkg/land as requested by Daniel
126    o various changes to mnc including:
127      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
128      - output can now be grouped so that all files within a group
129          change the ITER portion of their names in lock-step together
130      - can now read ("global") PER-FACE (in addition to PER-TILE) files
131          and works with both EXCH1 and EXCH2 (but needs more testing)
132      - writing works for all verification test cases w/ g77 on Linux
133    
134    checkpoint57r_post
135    o make MNC variable initialization happen earlier
136    o add diagnostics for (almost) each term of the momentum Eq.
137    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
138    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
139    o remove MINIMAL_TAVE_OUTPUT option ;
140      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
141    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
142      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
143    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
144    o add time-dependent SST, SSS control
145    o cost terms in ecco/ modularized (new cost_generic.F)
146    o cost_averages routines are modularized (new cost_averagesgeneric.F)
147    o new infrastructure for seaice model vs. obs misfits in seaice/
148      * driver from the_main_loop.F is seaice_cost_driver.F
149      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
150      * gradient check in Exp. 6a of natl_box_adjoint/
151    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
152      (see README file)
153    
154    checkpoint57q_post
155    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
156    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
157      - bug was reported by Jean-Michel and Ian Fenty
158    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
159      update exp. cpl_aim+ocn output.
160    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
161      Needed for high-res. runs with large global files
162      to be able to limit tapelev size
163    o Changed some tests for adjoint:
164      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
165      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
166      * global_ocean.90x40x15/ back to default 3-level checkpointing
167    o Modifications to enable scripted COMMON to MODULE conversion
168      * verification/OpenAD/code/ has necessary scripts and description;
169      * converts, compiles and runs successfully;
170    
171    checkpoint57p_post
172    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
173    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
174      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
175    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
176    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
177      (was already the case for dissipation with mom_vecinv,
178       and also the case for grad.PhiHyd when staggered-timeStep)
179      This will allow to put dissipation out-off the AB time-stepping.
180     Unfortunately, affects truncation error. Update output of exp. that "fails"
181      (cg2d matching number) and leave the others for later: front_relax(10),
182      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
183      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
184    
185    checkpoint57o_post
186    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
187      (2) its ready to be documented during the 20050801 DocFest
188    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
189      for ideal_2D_oce and lab_sea on linux_ia32_g77
190    o set to #undef CTRL_SET_OLD_MAXCVARS_30
191      in global1x1_tot/code_seaice_adj to access indices 32, 33
192      (worth another tag)
193    
194    checkpoint57n_post
195    o adding precip control xx_precip 32
196    o adding swflux control xx_swflux 33
197    o Replacing 10 forcing penalty cost routines by 1 generic.
198    o Implementing partitioning in time-mean and variable adjustment
199      for atmos. state.
200    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
201    o in natl_box_adjoint:
202      * updated exp 1 to 10
203        (but does not have time-mean vs. variable split results yet)
204    o updated global1x1/*_seaice_adj/
205      to incorporate latest changes
206    o enable useSingleCpuIO for mdsio vector routines
207      (applies in particular to tapelev I/O)
208    o removed inefficient K-loop in all active_file*control*.F
209    
210    checkpoint57m_post
211    o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)
212      and advect_cs (use EXCH-2 and standard cs-32 grid files).
213    o pkg/exch2: filling of face-corner halo regions is optional
214      (ifdef W2_FILL_NULL_REGIONS) and is turned off by default.
215    
216    checkpoint57l_post
217     tag before updating tutorials (pre-release-2)
218    o add cos & sin of grid-direction orientation angle (curvilinear grid only,
219       for output and interpolation of input fields onto model grid)
220    o fix radius in mom_v_metric_cylinder.F (wrong by dy/2).
221       Affects results of exp. rotating_tank ; update output.txt.
222    o pkg/diagnostics: 2 new S/R to fill a diagnostics using a scaling factor
223          and taking the square quantity and/or using a fraction-weight field.
224    o fix aim_diagnostics_init.F mate numbers.
225    o add mnc output capability to diagnostics/diagstat and update
226      our cvsignore files for the ACSII output generated
227    
228    checkpoint57k_post
229    o lab_sea now uses diagnostics package and provides a suite of
230      new EXF diagnostics output.
231    
232    checkpoint57j_post
233    o exf
234      * bug fix in exf_bulkformulae for psimh (spotted by Eliyahu Biton):
235        Bracket missing in eqn. for psimh (eqn. 7 of Large & Pond, 1982);
236        terms -2*ATAN(x) + pi/2 were added to both stable and unstable case.
237      * extended diagnostics output
238        - now includes all EXF variables
239        - hs, hl moved to common block
240        - separate S/R for diagnostics, called after ctrl vector is added
241        - name changed for EXFsw -> EXFswnet, EXFlw -> EXFlwnet
242        - EXFqnet contains true Qnet (i.e. includes qsw)
243      * updated verif. lab_sea, global_with_exf
244      * Rearranging hflux (exf_mapfields -> exf_getforcing)
245        to ensure that diagnostics sees a true EXFqnet
246    o add matlab scripts for CS-grid vectors (in utils/cs_grid)
247    o diagnostics pkg: change pointers so that 1 diagnostic can be used
248      several times with different frequencies.
249    o mnc-ify the thsice package as requested by Daniel Enderton
250      - the monitor--MNC output needs work
251      - many attributes need to be added (most are currently blank)
252    o mnc-ify theaim_v23 package as requested by Daniel Enderton
253      - many attributes need to be added (most are currently blank)
254    o remove "groundAtK1" & "rkFac" (replaced by usingPCoords & -rkSign)
255    o add Sadourny like discretization to the 4th.O vorticity advection scheme
256    o fix bug in rStar code (calc_r_star.F) when used with topo/bathy.
257      update output.txt from: aim.5l_cs (& .thSI), cpl_aim+ocn,
258         fizhi-gridalt-hs and global_ocean.cs32x15 (& .thsice).
259    o fix few little things to avoid floating error with -ftrapuv (ifort v9)
260     (ini_spherical_polar_grid.F, calc_r_star.F, monitor/mon_surfcor.F)
261    
262    checkpoint57i_post
263    o Diagnostics package was changed: diagnostic allocation is now deactivated
264      by setting an empty file name in the namelist (used to be by setting 0 frequency)
265    o momentum advection (VI form) options: activate 4th.O vorticity Coriolis ;
266      add 1rst Order upwind vertical Shear.
267    o add a quick fix for A/B checkpointing in OFFLINE mode
268    o add IGNORE_TIME define and -ignore_time option to genmake2 as an
269      end-run around the C/Fortran linking horror in eesup/src/timers.F
270    o added pkg/runclock: allows user to terminate run based on wall clock
271    o added non-hydrostatic scaling parameter: nh_am2
272    o pkg/my82: futile attempt to make results compiler-independent by adding
273      some "_d 0", etc. no effect.
274    o for mnc output, fill the 'T' coordinate var with myTime and create a
275      separate 'iter' variable for iteration count
276    o pkg/diagnostics:
277      add new capability: output of Global/Regional & per-level statistics ;
278      tested against monitor output (including land & thSIce) on various exp.
279    o make seaice-pkg I/O type flags (MNC/MDS) more standard.
280    
281    checkpoint57h_done
282      tag after changing user customized files (DIAGNOSTICS_SIZE.h,
283      data.diagnostics, data.gchem, data.ptracers) is done.
284    
285    o pkg/diagnostics: prepare for Global/Regional statistics.
286      add 2nd namelist in data.diagnostics and update DIAGNOSTICS_SIZE.h
287    o remove "baseTime" (no used) from arg. list of DIFF_BASE_MULTIPLE
288      and rename it: DIFFERENT_MULTIPLE
289    
290    checkpoint57h_post
291    o move tIter0 from data.gchem to PTRACERS_Iter0 in data.ptracers
292    o pkg/diagnostics: change output frequency, now in seconds (instead
293      of Nb of iterations). This requires to change data.diagnostics.
294    checkpoint57h_pre
295    
296    o in mnc, let the user create the output dir if both mnc_outdir_date
297      and mnc_outdir_num are false
298    o add fflags() to pkg/diagnostics which allows one to specify, on a
299      per-file basis, the file precision [default behavior is unchanged]
300    o added diagnostics to pkg/kpp, including computation of mixed layer
301      depth based on a temperature/density criterion
302    o updated verification/natl_box to test the new pkg/kpp diagnostics
303    o bugs fixed (with useAbsVorticity=T & with useJamartMomAdv=T)
304    o test AB-3 code with 4th.Order advection scheme (advect_xy/input.ab3_c4)
305    o fix mnc flags in pkg/seaice so that they are "owned" by seaice,
306      not mnc -- this mistake was found by JMC and is now corrected
307    
308    checkpoint57g_post
309    o add Adams-Bashforth 3rd Order time stepping:
310      - default remains AB-2 (#undef ALLOW_ADAMSBASHFORTH_3)
311      - not yet implemented with NH, CD_Scheme, pTracers, MNC_pickup ...
312    checkpoint57g_pre
313    
314    o make lambda[Theta,Salt]ClimRelax spatially varying
315      (default remains spatially uniform constant based on tau)
316    o added new control variables
317      * init. uVel, vVel, etanN
318      * lambda[Theta,Salt]ClimRelax
319    o separate masks used for ctrl_pack/unpack 'from write_grid' output
320      (suggested by G. Forget)
321    
322    checkpoint57f_post
323    o add parameter "baseTime" = model base time = time at iteration zero
324      new function DIFF_BASE_MULTIPLE (replace DIFFERENT_MULTIPLE) to
325      account for baseTime shift
326    o move Coriolis arrays from PARAMS.h to GRID.h
327    checkpoint57f_pre
328    
329    o mnc-ifying the seaice package
330    o introduced an alternative length scale calculation for use in the limiting
331      maximum viscosity (off by default, see mom_vi_hdissip.F for details)
332    o S/R ptracers_calc_diff: argument list bug for CALL KPP_CALC_DIFF_S
333    o added modified Leith scheme with viscosity proportional to grad(Hdiv)
334      as well as grad(vort3).  Made it compatible with both approximate form
335      for the cubed sphere and full form of these gradients.  Added flag
336      useFullLeith to select between approximate and full form.  
337    o add "d0" in getcon.F to reduce differences between compilers/platforms
338      update output.txt of exp. fizhi-gridalt-hs
339    o change port_rand funtion to allow to set the seed.
340    o fix obscure MNC bug involving conversion between reals and integers
341      - it caused no problems with certain (eg. gcc, ifc) compilers but the
342        new version is now more standards-compliant
343    o adjoint-related modifications
344      * gad_dst3_adv_?: to be able to use advscheme=30 in adjoint
345      * gad_calc_rhs: fool adjoint, revert to advscheme=30 in reverse when using 33
346      * mom_vi_hdissip: to be able to use Leith scheme in adjoint
347    
348    checkpoint57e_post
349    o Adding eddy stress controls a la Ferreira et al.
350    checkpoint57e_pre (actually was tagged: eckpoint57e_pre)
351    
352    o fizhi pkg: fix AtoC and CtoA when called with same input & output array
353      update output.txt of exp. fizhi-gridalt-hs
354    o add more "Z" dimensions and associated coordinate vars to MNC
355    o pkg/exf: added twoDigitYear capability for option useExfYearlyFields
356    o parameter calendarDumps: when set, approximate months (30-31 days) and years
357      (360-372 days) for parameters chkPtFreq, pChkPtFreq, taveFreq, SEAICE_taveFreq,
358      KPP_taveFreq, and freq in pkg/diagnostics are converted to exact calendar
359      months and years.  Requires pkg/cal.
360    o diagnostics: add pickup functionality
361      - off by default for backwards compatibility
362      - current version only uses MDSIO -- MNC will be added
363    o allow to use pkg diagnostics for LAND pkg output & Shapiro Tendencies.
364    o pkg/shap_filt: fix for multi-tiles per face (CS-grid with EXCH2)
365    
366  checkpoint57d_post  checkpoint57d_post
367  o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing  o pkg/thsice used in the ocean: fix tile Pb related to sIceLoad forcing
368  o modify verification/ideal_2D_oce so that it tests the creation of mnc  o modify verification/ideal_2D_oce so that it tests the creation of mnc

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